/**************************************************************************
*   Copyright (C) 2009 Chernov Dmitry                                     *
*   diman4ik.chernov@gmail.com                                            *
*                                                                         *
*   This program is free software; you can redistribute it and/or modify  *
*   it under the terms of the GNU General Public License as published by  *
*   the Free Software Foundation; either version 2 of the License, or     *
*   (at your option) any later version.                                   *
*                                                                         *
*   This program is distributed in the hope that it will be useful,       *
*   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
*   GNU General Public License for more details.                          *
*                                                                         *
*   You should have received a copy of the GNU General Public License     *
*   along with this program; if not, write to the                         *
*   Free Software Foundation, Inc.,                                       *
*   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
***************************************************************************/

#include "korners_widget.h"
#include "korners_scene.h"

#include <QGraphicsView>
#include <QResizeEvent>
#include <QBoxLayout>


KornersWidget::KornersWidget( QWidget* parent ) : QWidget( parent )
{
    QBoxLayout *mainLay = new QHBoxLayout( this );
    mainLay->setMargin( 0 );

    m_scene = new KornersScene(this);
    QGraphicsView* klview = new QGraphicsView( m_scene, this );
    klview->setCacheMode( QGraphicsView::CacheBackground );
    klview->setVerticalScrollBarPolicy( Qt::ScrollBarAlwaysOff );
    klview->setHorizontalScrollBarPolicy( Qt::ScrollBarAlwaysOff );
    klview->setFrameStyle( QFrame::NoFrame );

    klview->setOptimizationFlags( QGraphicsView::DontClipPainter |
                                  QGraphicsView::DontSavePainterState |
                                  QGraphicsView::DontAdjustForAntialiasing );

    mainLay->addWidget( klview );

    setMinimumSize( 250, 250 );
}

void KornersWidget::resizeEvent( QResizeEvent* evt)
{
    // if this flag is set it means that resizeEvent is called
    // while widget is hidden.
    // so we'll wait with resize until it will be unset to not
    // waste time resizing invisible scene
    //if ( !testAttribute( Qt::WA_PendingResizeEvent ) )
        m_scene->resizeScene( evt->size().width(), evt->size().height() );
}


